Properties of the Number -26827

Twenty-Six Thousand Eight Hundred Twenty-Seven

Basics

Value: -26828 → -26827 → -26826

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 139 × 193

Divisors: 1, 139, 193, 26827

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100011001011

Octal: -64313

Duodecimal: -13637

Hexadecimal: -68cb

Square: 719687929

Square Root: 163.78949905290023

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Triangle T(n, k, j) = T(n-1, k, j) + T(n-1, k-1, j) + (2·j + 1)*prime(j)*T(n-2, k-1, j) with T(2, k, j) = prime(j) and j = 10, read by rows. A153655

Number of asymmetric solid partitions under mirroring operation. A96574

Semiprimes that are the sum of the first n semiprimes for some n. A92190

Numbers k such that k⁸ starts with k itself (in base 10). A233454

Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly three bit positions. A261075

Numerators of partial sums of the alternating series of inverse central binomial coefficients. A145375

a(n) = 8 + floor( (1 + ∑_j=1..n-1 a(j)) / 2). A120137

Numbers n such that (2ⁿ+1)³-2 is prime. A100900

Smallest number whose seventh power has at least n digits. A130081

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 15 ones. A31783